PFW ranks the NFL teams heading into Week One.*1. New York Giants: Secondary issues push Michael Coe into forefront role.*2. New England Patriots: Pats say bye to Deion Branch, Dan Koppen, Brian Hoyer, but have reloaded plenty this offseason.*3. San Francisco 49ers: Have the NFL's best defense and special teams and an efficient, creative offense that does not mistakes.*4. Green Bay Packers: Offense could possibly be even better than it was last year, which is saying something.*5. Philadelphia Eagles: Have offensive speed to torch shorthanded Browns "D" early and often.*6. ...